Roll N Lock A-Series XT Locking Retractable Truck Bed Cover for 19-23 Ford Ranger 6' 1" Bed Model 123A-XTRoll N Lock A Series XT Locking Retractable Truck Bed Cover for 19 23 Ford Ranger 6' 1" Bed Model 123A XT The Roll N Lock A SERIES XT combines the all aluminum A Series retractable truck bed cover with our T slot integrated MaxTrak System that allows for unique customization to your truck bed to meet your individual needs. The Roll N Lock A XT provides you effortless full bed convenience while not missing the mark on impeccabl e security. The robust,